It was a surreal moment watching Sergio Aguero, James Horsfield, Kelechi Iheanacho, Samir Nasri and Nicolas Otamendi ascend the steps of the Great Wall of China on Sunday afternoon.

Dressed in the new home and away kits, their progress up arguably the most famous manmade construct on the planet was only slowed by a series of selfies and panoramas on their phones – their open-mouthed smiles conveying that they were as excited to be there as we were.